[PD] starting automatically "read only" (Ubuntu 10.04)

[András Murányi]

Well, this is beyond my current knowledge... but basically /etc/init.d is
where you make things happen at startup, and with the numbers leading
filenames there (take a look...) you can have control when your script will
be executed. I'd suggest take a look into those scripts and try to insert
your script, and google runlevels if you want to be sure when your script
would be executed. I suppose basically everything in /etc/int.d goes off
before anything (normally) happens to your home directory.

Andras

On Sat, Jun 12, 2010 at 5:48 PM, Ingo Scherzinger <ingo at miamiwave.com>wrote:

> Hi Andreas,
>
> Sounds like a good idea to put the entire "/home/user" folder into a tmpfs
> but I have no idea how to get my data copied into this tmpfs prior to the
> system wanting to use it.
> Any idea?
>
> Ingo
>
> > >On Fri, Jun 11, 2010 at 11:03 AM, Ingo Scherzinger
> <ingo at miamiwave.com>wrote:
> > >
> > >If the file's contents have to be preserved between sessions, it's
> > > breaking
> > >the "read only system" paradigm. (You may still be able to use an usb
> > > drive
> > >for this purpose?)
> > >
> > > It's actually working fine writing edited data to the rw sda3
> > > partition where some folders have been linked to.
> > >
> > >If the file can be recreated with the same content at each startup,
> > >i'd think about how to trick it to be on a temporary writable
> > >filesystem. I suppose we cannot change the default path for this
> > >file, and i'm not sure
> > > if
> > >you can a have link in your read only filesystem (/home/ingo)
> > >pointing to
> > > a
> > >yet-to-be-created file on a temporary filesystem, but given the
> > >annoyance factor of the problem, it may make sense to trick your
> > >whole /home/ingo
> > > onto
> > >a temporary filesystem (from where of course you will be free to
> > >create links to directories that reside on the read-only filesystem).
> > >
> > >Andras
> > >
> > > I tried that already. I was mounting the entire /home/ingo folder to a
> > > tmpfs.
> > > That way I didn't have all files I needed available. All system
> > > settings seemd to be gone.
> > > After getting the data partition to auto mount -rw I made a link to
> > > the .ICEauthority file. Didn't help. Maybe mounting drives comes later
> > > in the upstart order. I should check that out.
> > >
> > > Ingo
> > >
>
> >Well, when you mount your whole home to a tmpfs you have to copy all those
> >needed files and system settings on it, and if you can, you have to save
> them back >to permanent storage before shutdown.
> >Automounting drives from fstab may happen sooner or later during startup,
> but the >system is surely capable of mounting and temp-filesystems from the
> moment the >kernel is alive, and you can make things happen at a given
> moment in the boot >order by adding it to the right place in /etc/init.d/
> >
> >Andras
>
>


-- 
Muranyi Andras
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